https://www.akc.org/expert-advice/lifestyle/why-dog-licks-muzzle/
Why Do Dogs Lick Each Other's Muzzles?
If you’ve ever wondered why your dog constantly licks your face, you might find yourself asking, "What on earth are they doing?" This behavior isn’t just a quirky habit—it’s deeply rooted in instincts and history, dating back to both puppyhood and their wild ancestors.
The History of Face-Licking in Dogs
Puppies naturally lick their mother’s face to stimulate her to regurgitate food for them. While this may seem unusual to humans, for dogs, face-licking is an early form of communication that ensures nutrition and care from their mother.
As dogs grow, licking continues to serve various purposes, such as seeking attention, comfort, and affection. In the wild, dogs and their ancestors—such as wolves—use licking as a social tool to establish bonds and respect within their pack.
Biological Aspects and Cognitive Significance
Face-licking in adult dogs can hold different meanings, all tracing back to biology and instinct. For example, it often signifies respect or submission. Just as wolves lick dominant members of their pack, domestic dogs might lick their owners as a way of acknowledging their place within the household "pack." This reinforces bonding and expresses affection.
In some cases, licking is a subtle way for dogs to seek attention or care. If your dog licks you upon your arrival home after a long separation, it’s their way of expressing excitement and reconnecting with you. Additionally, licking triggers the release of endorphins in a dog’s brain, making it a calming activity—not just for them, but for you as well.
Evolutionary and Social Significance
Face-licking is more than just an endearing behavior; it plays a vital role in social interactions. In the wild, licking is a gesture of submission or affection, promoting social harmony within the pack. At home, it strengthens the bond between dogs and their owners.
For many dog owners, understanding the depth of this behavior can be an eye-opener. The next time your dog showers you with face licks, remember—it’s not just about tasting salt on your skin. It’s an age-old symbol of affection, respect, and connection between dogs and their humans.
https://www.akc.org/expert-advice/lifestyle/why-dog-licks-muzzle/
